Alert archive / New York / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in New York, May 2020
65 severe thunderstorm warnings in May 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in May 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 65
- Busiest day
- May 29, 202029 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 11:16 AM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca, Yates | 44 min |
| May 11, 1:32 PM EDT | Severe Thunderstorm Warning | ALY | Herkimer | 43 min |
| May 11, 3:07 PM EDT | Severe Thunderstorm Warning | ALY | Schoharie | 22 min |
| May 15, 2:26 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Wyoming | 49 min |
| May 15, 3:02 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario, Wyoming | 58 min |
| May 15, 3:26 PM EDT | Severe Thunderstorm Warning | BGM | Seneca, Steuben, Yates | 64 min |
| May 15, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 40 min |
| May 15, 3:53 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga, Seneca | 40 min |
| May 15, 3:56 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga, Seneca | 49 min |
| May 15, 4:07 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida, Onondaga | 38 min |
| May 15, 4:08 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Onondaga, Seneca, Tompkins, Yates | 32 min |
| May 15, 4:17 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chemung, Chenango, Cortland, Delaware, Otsego and 4 more | 36 min |
| May 15, 4:26 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Herkimer | 64 min |
| May 15, 5:11 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Saratoga | 51 min |
| May 15, 5:17 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Otsego | 43 min |
| May 15, 5:42 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Rensselaer, Saratoga, Schenectady, Warren and 1 more | 48 min |
| May 15, 5:48 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Schenectady, Schoharie | 42 min |
| May 15, 5:52 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Sullivan | 33 min |
| May 15, 6:20 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Greene, Schoharie, Ulster | 25 min |
| May 15, 6:22 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer, Saratoga, Schenectady | 38 min |
| May 15, 6:26 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 49 min |
| May 15, 6:42 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess, Greene, Ulster | 33 min |
| May 15, 6:59 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 31 min |
| May 15, 7:09 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 51 min |
| May 15, 7:13 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 47 min |
| May 15, 7:59 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 61 min |
| May 15, 8:30 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam, Westchester | 45 min |
| May 25, 4:42 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Seneca, Tompkins, Yates | 33 min |
| May 25, 5:38 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Tompkins | 32 min |
| May 25, 5:52 PM EDT | Severe Thunderstorm Warning | BGM | Chemung | 53 min |
| May 25, 6:28 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Steuben | 23 min |
| May 27, 2:34 PM EDT | Severe Thunderstorm Warning | BTV | Clinton | 56 min |
| May 27, 4:21 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 39 min |
| May 27, 4:48 PM EDT | Severe Thunderstorm Warning | BTV | St. Lawrence | 31 min |
| May 27, 5:00 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 30 min |
| May 29, 12:44 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Wyoming | 46 min |
| May 29, 12:55 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 21 min |
| May 29, 1:42 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 34 min |
| May 29, 1:43 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans, Wayne | 47 min |
| May 29, 2:15 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex, Franklin | 60 min |
| May 29, 2:22 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Livingston, Wyoming | 53 min |
| May 29, 2:24 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren, Washington | 66 min |
| May 29, 3:01 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Otsego | 44 min |
| May 29, 3:07 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 26 min |
| May 29, 3:13 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex | 62 min |
| May 29, 3:23 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 47 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 10 min |
| May 29, 3:31 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Seneca, Tompkins | 44 min |
| May 29, 3:35 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 34 min |
| May 29, 3:41 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 64 min |
| May 29, 3:56 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex | 49 min |
| May 29, 4:16 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego | 29 min |
| May 29, 4:38 PM EDT | Severe Thunderstorm Warning | ALY | Montgomery, Schoharie | 52 min |
| May 29, 4:51 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 40 min |
| May 29, 5:03 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Saratoga | 57 min |
| May 29, 5:22 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren, Washington | 68 min |
| May 29, 5:24 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Schenectady, Schoharie | 66 min |
| May 29, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 51 min |
| May 29, 5:35 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 55 min |
| May 29, 5:46 PM EDT | Severe Thunderstorm Warning | BTV | Essex | 32 min |
| May 29, 5:57 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Schenectady, Warren, Washington | 63 min |
| May 29, 6:26 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 27 min |
| May 29, 6:52 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Washington | 53 min |
| May 29, 7:39 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex | 31 min |
| May 29, 8:18 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 57 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County9
- Seneca County8
- Saratoga County8
- Cayuga County7
- Delaware County7
- Rensselaer County6
- Schoharie County5
- Tompkins County5
- Otsego County5
- Montgomery County5
- Schenectady County5
- Albany County5
- Clinton County5
- Essex County5
- Yates County4
- Erie County4
- Wyoming County4
- Onondaga County4
- Chemung County4
- Fulton County4
- Warren County4
- Columbia County4
- Dutchess County4
- Herkimer County3
- Broome County3
- Chenango County3
- Schuyler County3
- Hamilton County3
- Greene County3
- Ulster County3
- Franklin County3
- St. Lawrence County3
- Oswego County3
- Wayne County3
- Livingston County2
- Ontario County2
- Steuben County2
- Cortland County2
- Genesee County2
- Niagara County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.